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Question (21)

QN0018860

If angles of a quadrilateral are 88°, 92°, 88° and x°, then x equals:

(A) 88°
(B) 90°
(C) 92°
(D) 96°

Correct Answer: C

Explanation:

x = 360° − (88° + 92° + 88°) = 92°.

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Question (22)

QN0018861

Opposite sides of a rectangle are:

(A) Equal and parallel
(B) Unequal and parallel
(C) Equal but not parallel
(D) Perpendicular

Correct Answer: A

Explanation:

Opposite sides are equal and parallel.

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Question (23)

QN0018862

If one angle of a square is 90°, another angle is:

(A) 45°
(B) 60°
(C) 90°
(D) 120°

Correct Answer: C

Explanation:

All angles of a square are 90°.

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Question (24)

QN0018863

A quadrilateral has angles 60°, 120°, 60° and 120°. It resembles a:

(A) Parallelogram
(B) Rectangle
(C) Square
(D) Kite

Correct Answer: A

Explanation:

Opposite angles are equal.

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Question (25)

QN0018864

The diagonals of a parallelogram:

(A) Are equal
(B) Bisect each other
(C) Are perpendicular
(D) Are parallel

Correct Answer: B

Explanation:

Diagonals bisect each other.

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Question (26)

QN0018865

If three angles of a quadrilateral are 75°, 85° and 95°, the fourth angle is:

(A) 95°
(B) 100°
(C) 105°
(D) 110°

Correct Answer: C

Explanation:

Fourth angle = 360° − 255° = 105°.

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Question (27)

QN0018866

A rhombus differs from a rectangle because:

(A) Opposite sides are parallel
(B) All sides are equal
(C) Opposite angles are equal
(D) It has diagonals

Correct Answer: B

Explanation:

All sides of a rhombus are equal.

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Question (28)

QN0018867

In a parallelogram, opposite angles are:

(A) Complementary
(B) Equal
(C) Unequal
(D) Right angles

Correct Answer: B

Explanation:

Opposite angles are equal.

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Question (29)

QN0018868

If one angle of a trapezium is 100° and the adjacent angle on the same leg is x°, then x equals:

(A) 70°
(B) 80°
(C) 90°
(D) 100°

Correct Answer: B

Explanation:

Consecutive interior angles on a leg are supplementary.

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Question (30)

QN0018869

Which quadrilateral has diagonals that bisect each other at right angles?

(A) Rectangle
(B) Trapezium
(C) Rhombus
(D) General parallelogram

Correct Answer: C

Explanation:

Diagonals of a rhombus bisect each other perpendicularly.

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Question (21)

If angles of a quadrilateral are 88°, 92°, 88° and x°, then x equals:

Explanation:

Link:

Question (22)

Opposite sides of a rectangle are:

Explanation:

Link:

Question (23)

If one angle of a square is 90°, another angle is:

Explanation:

Link:

Question (24)

A quadrilateral has angles 60°, 120°, 60° and 120°. It resembles a:

Explanation:

Link:

Question (25)

The diagonals of a parallelogram:

Explanation:

Link:

Question (26)

If three angles of a quadrilateral are 75°, 85° and 95°, the fourth angle is:

Explanation:

Link:

Question (27)

A rhombus differs from a rectangle because:

Explanation:

Link:

Question (28)

In a parallelogram, opposite angles are:

Explanation:

Link:

Question (29)

If one angle of a trapezium is 100° and the adjacent angle on the same leg is x°, then x equals:

Explanation:

Link:

Question (30)

Which quadrilateral has diagonals that bisect each other at right angles?

Explanation:

Link:

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